CN209388004U - Lens barrel and camera lens - Google Patents
Lens barrel and camera lens Download PDFInfo
- Publication number
- CN209388004U CN209388004U CN201920286614.9U CN201920286614U CN209388004U CN 209388004 U CN209388004 U CN 209388004U CN 201920286614 U CN201920286614 U CN 201920286614U CN 209388004 U CN209388004 U CN 209388004U
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- Prior art keywords
- barrel portion
- lens
- barrel
- lens barrel
- spacer ring
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Abstract
The utility model relates to a kind of lens barrel and camera lenses, lens barrel includes the first barrel portion (1) and the second barrel portion (2) being linked in sequence along object side to image side, first barrel portion (1) is equipped with the first opening (11) close to one end of object side, and second barrel portion (2) is equipped with the second opening (21) close to one end of image side；The inner wall of first barrel portion (1) and the second barrel portion (2) junction, which is equipped with, bears against spacer ring (3).The lens barrel of the utility model facilitates the assembling, adjustment and disassembly of eyeglass, while the utility model lens barrel assembly lens advantageously ensure that the depth of parallelism and concentricity of eyeglass.
Description
Technical field
The utility model relates to optical imaging device field more particularly to a kind of lens barrel and include the camera lens of the lens barrel.
Background technique
Currently, the camera lens that some particular surroundings use, the problem of in order to reduce temperature drift, can be used enter light opening
A piece of non-spherical glass lens.However non-spherical glass lens is at high cost, and glass lens are since it is desired that edging processing, holds
Eccentric big problem is easily caused, and eccentric direction is random, so that the primary assembling yield of non-spherical glass lens is lower.It is usually right
It needs to rotate Repair in bad camera lens.
And for camera lens open at one end, because glass lens in the front end of assembling, can not directly rotate
Glass lens are reprocessed.It usually requires to cut camera lens recycling glass lens, so will lead to after remaining accessory is cut all to scrap.
Utility model content
The purpose of this utility model is to provide a kind of lens barrels and camera lens for facilitating eyeglass assembly and disassembly.
To achieve the above object, the utility model provides a kind of lens barrel, including be linked in sequence along object side to image side first
Barrel portion and the second barrel portion, first barrel portion are equipped with the first opening, second mirror close to one end of object side
Canister portion point is equipped with the second opening close to one end of image side；
First barrel portion and the inner wall of second barrel portion junction, which are equipped with, bears against spacer ring.
One aspect according to the present utility model, the breasting spacer ring are radial in parallel to each other equipped with first along the lens barrel
Breasting face and second bears against face；
First breasting is born against facing towards first barrel portion, described second facing towards second lens barrel portion
Point.
One aspect according to the present utility model, first barrel portion are interior with second barrel portion junction
Wall is equipped with installation base, the breasting spacer ring be connected to the installation base towards on the surface of first barrel portion or
Towards on the surface of the second barrel portion.
One aspect according to the present utility model, the breasting spacer ring are detachably connected or described with the installation base
Spacer ring is born against to be an integral molding structure with the installation base.
One aspect according to the present utility model, the internal diameter of first barrel portion is along the direction by object side to image side
It is gradually reduced.
One aspect according to the present utility model, the internal diameter of second barrel portion is along the direction by object side to image side
It is gradually increased.
One aspect according to the present utility model, first barrel portion minimum-value aperture are less than second barrel portion
Minimum-value aperture.
One aspect according to the present utility model, the inner wall for bearing against spacer ring is for tapered surface and along by object side to image side
Direction described in breasting spacer ring internal diameter be gradually reduced.
The utility model also provides a kind of camera lens, and the camera lens includes above-mentioned lens barrel.
A scheme according to the present utility model, sets on the inner wall of the first barrel portion and the second barrel portion junction
There is breasting spacer ring.To which the internal cavities of the lens barrel of the utility model can be divided into two parts, i.e., diagram bears against spacer ring left side
Point and right part, and simultaneously because lens barrel be equipped with the first opening and the second opening, allow in assembly lens from second
Eyeglass is assembled into right part by opening, to bear against spacer ring as bearing support.It will be floated from the first opening to reduce temperature
It moves the non-spherical glass lens used and is packed into left part, to bear against spacer ring as bearing support.So that the assembling of eyeglass
It is very convenient with adjusting.For traditional single radial cut lens barrel, since the open end of single radial cut lens barrel is located at image side, because
If this non-spherical glass lens needs close to object side is adjusted or takes out replacement, it can not be operated, certainly will be needed brokenly
Bad entire lens barrel, causes serious waste.And the lens barrel of the utility model, such as non-spherical glass lens occur needing to adjust when bias
Can non-spherical glass lens be directly adjusted or be replaced from the first opening when whole situation, complete to reprocess, it is convenient and efficient,
It is not required to cut bad camera lens recycling non-spherical glass lens, reduces the waste of lens barrel, eyeglass.
One aspect according to the present utility model, since the lens barrel of the utility model is in the first barrel portion and the second lens barrel
The inner wall of portion connection, which is equipped with, bears against spacer ring, carries out assembly lens bearing support to bear against spacer ring as from the first opening
With the bearing support for carrying out assembly lens from the second opening.So as to avoid only by lens barrel inner wall come fixed bearing mirror
Eyeglass deformation caused by the mode of piece advantageously ensures that the depth of parallelism and concentricity of eyeglass in lens barrel, guarantees lens imaging quality.
A scheme according to the present utility model, the utility model breasting spacer ring inner wall be taper, and bear against every
The internal diameter of circle is gradually reduced along the direction of object side to image side.Such setting advantageously ensures that light is gone on smoothly in lens barrel, it is ensured that
Image quality.
Detailed description of the invention
Fig. 1 is the lens barrel cross-sectional view schematically shown according to a kind of embodiment of the utility model；
Fig. 2 is schematically shown according to the not set lens barrel cross-sectional view for bearing against spacer ring of the utility model.
Specific embodiment
It, below will be to implementation in order to illustrate more clearly of the utility model embodiment or technical solution in the prior art
Attached drawing needed in mode is briefly described.It should be evident that the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skills without creative efforts, can be with
It obtains other drawings based on these drawings.
When being described for the embodiments of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", orientation or positional relationship is expressed by "outside"
Based on orientation or positional relationship shown in relevant drawings, it is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore on
Stating term should not be understood as limiting the present invention.
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot herein one
One repeats, but therefore the embodiments of the present invention is not defined in following implementation.
As shown in Figure 1, a kind of embodiment according to the present utility model, the lens barrel of the utility model includes the first lens barrel portion
Divide the 1, second barrel portion 2 and bears against spacer ring 3.
The lens barrel global shape of the utility model is cylindrical shape, and the first barrel portion 1 and the second barrel portion 2 are along by object
The direction of side to image side is linked in sequence, i.e., is from left to right linked in sequence along direction shown in Fig. 1, and the first barrel portion 1 is left side, the
Two barrel portions 2 are right side, and the first barrel portion 1 is connected with 2 internal cavities of the second barrel portion.
It is opened as shown in Figure 1, first barrel portion 1 of the utility model is equipped with first close to one end that object side is diagram left side
Mouthfuls 11, the second barrel portion 2 is to illustrate the one end on right side to be equipped with the second opening 21 close to image side.In addition, the mirror of the utility model
Cylinder is equipped on the inner wall of the junction of the first barrel portion 1 and the second barrel portion 2 and bears against spacer ring 3, bears against spacer ring for making
For the bearing support of eyeglass.
The lens barrel of the utility model is equipped on the inner wall of 2 junction of the first barrel portion 1 and the second barrel portion and bears against
Spacer ring 3.To which the internal cavities of lens barrel of the utility model can be divided into two parts, i.e., diagram bear against 3 left part of spacer ring and
Right part, and simultaneously because lens barrel equipped with the first opening 11 and the second opening 21, allows in assembly lens from second
It is open at 21 and eyeglass is assembled into right part, to bear against spacer ring 3 as bearing support.It will be warm to reduce from the first opening 11
The non-spherical glass lens that degree drift uses are packed into left part, to bear against spacer ring 3 as bearing support.So that eyeglass
Assembling and adjustment are very convenient.For traditional single radial cut lens barrel, since the open end of single radial cut lens barrel is located at picture
Side can not be operated, Shi Bixu so if the non-spherical glass lens needs close to object side are adjusted or take out replacement
Entire lens barrel is destroyed, serious waste is caused.And needing when bias occur in the lens barrel of the utility model, such as non-spherical glass lens
Can non-spherical glass lens be directly adjusted or be replaced from the first opening 11 when the case where adjusting, complete to reprocess, side
Just quick, it is not required to cut bad camera lens recycling non-spherical glass lens, reduces the waste of lens barrel, eyeglass.
Further, since the lens barrel of the utility model is on the inner wall of 2 junction of the first barrel portion 1 and the second barrel portion
Equipped with bear against spacer ring 3, using bear against spacer ring 3 as from first opening 11 from carry out assembly lens bearing support and from second be open 21
Place carries out the bearing support of assembly lens.So as to avoid only at lens barrel inner wall come fixed bearing eyeglass by way of cause
Eyeglass deformation, advantageously ensure that the depth of parallelism and concentricity of eyeglass in lens barrel, guarantee lens imaging quality.
Specifically, as shown in Figure 1, the breasting spacer ring 3 of the utility model is annular in shape, spacer ring 3 is born against along lens barrel radial direction
It it is equipped with first in parallel to each other bears against face 31 and second and bear against face 32, i.e., first, which bears against face 31 and second, bears against face 32 and lens barrel
Central axis it is perpendicular.In present embodiment, the first breasting face 31 and the second breasting face 32 are planar annular, wherein first
Breasting face 31 is arranged towards the first barrel portion 1, and the second breasting face 32 is arranged towards the second barrel portion 2.Pass through the first opening
11 non-spherical glass lens being assembled into are born against on the first breasting face 31.By 21 eyeglass that is assembled into of the second opening with
Second, which bears against face 32, is used as fixed bearing.
A kind of embodiment according to the present utility model, the lens barrel of the utility model are made of resin material.Bear against spacer ring 3
It is made of metal material, such as metallic copper, metallic aluminium or other alloys, thereby may be ensured that the structural strength for bearing against spacer ring 3,
Advantageously ensure that the stability of strutting system of eyeglass assembling.
Referring to figs. 1 and 2, a kind of embodiment according to the present utility model, the first barrel portion 1 and the second lens barrel
The inner wall of 2 junction of part is equipped with installation base 4, and installation base 4 is equipped with mounting plane, for positioning to breasting spacer ring 3
And fixation.In the present embodiment, the mounting plane on installation base 4 is the side towards the second barrel portion 2, this side is
Circular planes bear against spacer ring 3 and install in this circular planes, such as can will bear against spacer ring 3 by way of bonding and stabilize
In circular planes, suitable tolerance can also be set to the internal diameter for bearing against 3 outer diameter of spacer ring and mounting plane and to bear against spacer ring 3 and mirror
Cylinder forms interference fit.Certainly, the upper mounting plane of design according to the present utility model, installation base 3 may be arranged as court
To the side of the first barrel portion 1, similarly, design according to the present utility model, the breasting spacer ring 3 and installation of the utility model
Boss 4 can be detachably connected to be above-mentioned, be also possible to be integrally formed construction.
As depicted in figs. 1 and 2, the internal diameter of first barrel portion 1 of the utility model gradually subtracts along object side to image side direction
Small, the internal diameter of the second barrel portion 2 is gradually increased along object side to image side direction, can so be further facilitated from the first opening 11
With assembly lens at the second opening 21.In addition, the minimum-value aperture of the first barrel portion of the utility model 1 is less than the second barrel portion
2 minimum-value aperture, that is to say, that the aperture that the position of eyeglass is installed in the second barrel portion 2 is arranged along by object side to picture
The direction of side is gradually increased, and the aperture of lens locations is installed in the first barrel portion 1 less than installing mirror in the second barrel portion 2
The minimum-value aperture at piece position, i.e., aperture corresponding to all installation eyeglasses is gradually increased along direction from left to right in lens barrel,
Such setting so that the circular hole aperture that is surrounded of the face in lens barrel for installing eyeglass by object side to image side from small to large successively
Arrangement is all provided with so that can process on same root mold core in inner hole for installing the face of eyeglass compared to existing both ends
Have in its inner hole of the lens barrel of opening and is needed on two mold cores for processing method for installing the aperture of eyeglass, the utility model
Setting be effectively guaranteed the concentricity of eyeglass installation inner hole, but also more convenient to the detection of the concentricity of lens barrel inner hole.
When carrying out coaxiality of inner hole detection, operator can will test probe and protrude into from the second opening 21, each position in inner hole
It can all be measured.
As shown in Figure 1, the inner wall of the breasting spacer ring 3 of the utility model is taper, and the internal diameter of spacer ring 3 is born against along object side
It is gradually reduced to the direction of image side, i.e. the internal diameter of breasting spacer ring 3 is gradually reduced along direction from left to right.Such setting has
Conducive to guaranteeing that light goes on smoothly in lens barrel, it is ensured that image quality.
The utility model also provides a kind of camera lens, and camera lens includes above-mentioned lens barrel, eyeglass and other optical elements.This is practical new
The lens assembling of type is easy to adjust, and image quality is high.
The foregoing is merely an embodiments of the utility model, are not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of lens barrel, which is characterized in that including the first barrel portion (1) being linked in sequence along object side to image side and the second lens barrel
Partially (2), first barrel portion (1) are equipped with the first opening (11), second barrel portion (2) close to one end of object side
The second opening (21) is equipped with close to one end of image side；
The inner wall of first barrel portion (1) and the second barrel portion (2) junction, which is equipped with, bears against spacer ring (3).
2. lens barrel according to claim 1, which is characterized in that the breasting spacer ring (3) is radial mutually flat along the lens barrel
It is equipped with first capablely and bears against face (31) and the second breasting face (32)；
Described first bears against face (31) towards first barrel portion (1), and described second bears against face (32) towards described second
Barrel portion (2).
3. lens barrel according to claim 2, which is characterized in that first barrel portion (1) and second lens barrel portion
The inner wall of (2) junction is divided to be equipped with installation base (4), the breasting spacer ring (3) is connected to the installation base (4) described in
On surface on the surface of first barrel portion (1) or towards the second barrel portion (2).
4. lens barrel according to claim 3, which is characterized in that the breasting spacer ring (3) and the installation base (4) are removable
It unloads connection or the breasting spacer ring (3) is an integral molding structure with the installation base (4).
5. lens barrel according to claim 1, which is characterized in that the internal diameter of first barrel portion (1) is along by object side
It is gradually reduced to the direction of image side.
6. lens barrel according to claim 5, which is characterized in that the internal diameter of second barrel portion (2) is along by object side
It is gradually increased to the direction of image side.
7. lens barrel according to claim 6, which is characterized in that the first barrel portion (1) minimum-value aperture is less than described
The minimum-value aperture of second barrel portion (2).
8. lens barrel according to claim 1, which is characterized in that it is described bear against spacer ring (3) inner wall be tapered surface and along
The internal diameter that spacer ring is born against as described in direction of the object side to image side is gradually reduced.
9. a kind of camera lens, which is characterized in that the camera lens includes such as the described in any item lens barrels of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286614.9U CN209388004U (en) | 2019-03-07 | 2019-03-07 | Lens barrel and camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286614.9U CN209388004U (en) | 2019-03-07 | 2019-03-07 | Lens barrel and camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209388004U true CN209388004U (en) | 2019-09-13 |
Family
ID=67852992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920286614.9U Active CN209388004U (en) | 2019-03-07 | 2019-03-07 | Lens barrel and camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209388004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656355A (en) * | 2019-10-16 | 2021-04-16 | 深圳迈瑞生物医疗电子股份有限公司 | Endoscope camera and endoscope camera system |
-
2019
- 2019-03-07 CN CN201920286614.9U patent/CN209388004U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656355A (en) * | 2019-10-16 | 2021-04-16 | 深圳迈瑞生物医疗电子股份有限公司 | Endoscope camera and endoscope camera system |
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